emmahamblinn emmahamblinn

11-02-2020
Mathematics

contestada

evaluate the value of x
3x+-4=8

Respuesta :

marcthemathtutor marcthemathtutor

11-02-2020

Answer:

x = 4

Step-by-step explanation:

3x+(-4)=8

3x-4 =8 (add 4 to both sides)

3x = 8 + 4

3x = 12 (divide both sides by 3)

x = 12/3

x = 4

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